The article undertakes to develop a theory of privacy considered as a fundamental moral right. The authors remind that the conception of the right to privacy is silent on the prospect of protecting informational privacy on consequentialist grounds. However, laws that prevent efficient marketing practices, speedy medical attention, equitable distribution of social resources, and criminal activity could all be justified by appeal to informational privacy as a fundamental right. Finally, the authors show that in the specter of terrorism, privacy can be conceived as a fundamental moral right, one that is completely consistent with the willingness to submit for surveillance of private lives.